diff mbox series

crypto: lib/chacha20poly1305 - define empty module exit function

Message ID 20210115171743.1559595-1-Jason@zx2c4.com
State Superseded
Headers show
Series crypto: lib/chacha20poly1305 - define empty module exit function | expand

Commit Message

Jason A. Donenfeld Jan. 15, 2021, 5:17 p.m. UTC
With no mod_exit function, users are unable to load the module after
use. I'm not aware of any reason why module unloading should be
prohibited for this one, so this commit simply adds an empty exit
function.

Reported-by: John Donnelly <john.p.donnelly@oracle.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

---
 lib/crypto/chacha20poly1305.c | 5 +++++
 1 file changed, 5 insertions(+)

-- 
2.30.0

Comments

Ard Biesheuvel Jan. 15, 2021, 5:25 p.m. UTC | #1
On Fri, 15 Jan 2021 at 18:17, Jason A. Donenfeld <Jason@zx2c4.com> wrote:
>

> With no mod_exit function, users are unable to load the module after

> use. I'm not aware of any reason why module unloading should be

> prohibited for this one, so this commit simply adds an empty exit

> function.

>

> Reported-by: John Donnelly <john.p.donnelly@oracle.com>

> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>


Acked-by: Ard Biesheuvel <ardb@kernel.org>


> ---

>  lib/crypto/chacha20poly1305.c | 5 +++++

>  1 file changed, 5 insertions(+)

>

> diff --git a/lib/crypto/chacha20poly1305.c b/lib/crypto/chacha20poly1305.c

> index 5850f3b87359..c2fcdb98cc02 100644

> --- a/lib/crypto/chacha20poly1305.c

> +++ b/lib/crypto/chacha20poly1305.c

> @@ -362,7 +362,12 @@ static int __init mod_init(void)

>         return 0;

>  }

>

> +static void __exit mod_exit(void)

> +{

> +}

> +

>  module_init(mod_init);

> +module_exit(mod_exit);

>  MODULE_LICENSE("GPL v2");

>  MODULE_DESCRIPTION("ChaCha20Poly1305 AEAD construction");

>  MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");

> --

> 2.30.0

>
Eric Biggers Jan. 15, 2021, 5:44 p.m. UTC | #2
On Fri, Jan 15, 2021 at 06:17:43PM +0100, Jason A. Donenfeld wrote:
> users are unable to load the module after use.


It should say "unload".

- Eric
John Donnelly Jan. 15, 2021, 6:06 p.m. UTC | #3
> On Jan 15, 2021, at 11:17 AM, Jason A. Donenfeld <Jason@zx2c4.com> wrote:

> 

> With no mod_exit function, users are unable to load the module after

> use. I'm not aware of any reason why module unloading should be

> prohibited for this one, so this commit simply adds an empty exit

> function.

> 

> Reported-by: John Donnelly <john.p.donnelly@oracle.com>

> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

> ---



Hi ,

 Verified 

 Please add 


  Test-by: John Donnelly <john.p.donnelly@oracle.com>



> lib/crypto/chacha20poly1305.c | 5 +++++

> 1 file changed, 5 insertions(+)

> 

> diff --git a/lib/crypto/chacha20poly1305.c b/lib/crypto/chacha20poly1305.c

> index 5850f3b87359..c2fcdb98cc02 100644

> --- a/lib/crypto/chacha20poly1305.c

> +++ b/lib/crypto/chacha20poly1305.c

> @@ -362,7 +362,12 @@ static int __init mod_init(void)

> 	return 0;

> }

> 

> +static void __exit mod_exit(void)

> +{

> +}

> +

> module_init(mod_init);

> +module_exit(mod_exit);

> MODULE_LICENSE("GPL v2");

> MODULE_DESCRIPTION("ChaCha20Poly1305 AEAD construction");

> MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");

> -- 

> 2.30.0

>
diff mbox series

Patch

diff --git a/lib/crypto/chacha20poly1305.c b/lib/crypto/chacha20poly1305.c
index 5850f3b87359..c2fcdb98cc02 100644
--- a/lib/crypto/chacha20poly1305.c
+++ b/lib/crypto/chacha20poly1305.c
@@ -362,7 +362,12 @@  static int __init mod_init(void)
 	return 0;
 }
 
+static void __exit mod_exit(void)
+{
+}
+
 module_init(mod_init);
+module_exit(mod_exit);
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("ChaCha20Poly1305 AEAD construction");
 MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");